| import os |
| import sys |
| import unittest |
| |
| from _testinternalcapi import perf_map_state_teardown, write_perf_map_entry |
| |
| if sys.platform != 'linux': |
| raise unittest.SkipTest('Linux only') |
| |
| |
| class TestPerfMapWriting(unittest.TestCase): |
| def test_write_perf_map_entry(self): |
| self.assertEqual(write_perf_map_entry(0x1234, 5678, "entry1"), 0) |
| self.assertEqual(write_perf_map_entry(0x2345, 6789, "entry2"), 0) |
| with open(f"/tmp/perf-{os.getpid()}.map") as f: |
| perf_file_contents = f.read() |
| self.assertIn("1234 162e entry1", perf_file_contents) |
| self.assertIn("2345 1a85 entry2", perf_file_contents) |
| perf_map_state_teardown() |
